861 hedge funds and large institutions have $23.1B invested in Ameren in 2025 Q4 according to their latest regulatory filings, with 131 funds opening new positions, 334 increasing their positions, 235 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

0.26% more ownership

Funds ownership: 85.26%85.52% (+0.26%)

4% less capital invested

Capital invested by funds: $24.1B → $23.1B (-$955M)

40% less call options, than puts

Call options by funds: $19.8M | Put options by funds: $32.8M

Holders
861
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$19.8M
Puts
$32.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1832 Asset Management
101
1832 Asset Management
Ontario, Canada
$18.1M
CB
102
Commerce Bank
Missouri
$18.1M
BBL
103
Beck Bode LLC
Massachusetts
$17.3M
Mitsubishi UFJ Trust & Banking
104
Mitsubishi UFJ Trust & Banking
Japan
$17.2M
Allspring Global Investments
105
Allspring Global Investments
North Carolina
$17.2M
Asset Management One
106
Asset Management One
Japan
$16.8M
CIBC Asset Management
107
CIBC Asset Management
Ontario, Canada
$16.7M
Envestnet Asset Management
108
Envestnet Asset Management
Illinois
$16.6M
SC
109
SummitTX Capital
Texas
$15.6M
ELI
110
Empire Life Investments
Ontario, Canada
$15.4M
SFM
111
Stack Financial Management
Montana
$15.2M
MAM
112
Martingale Asset Management
Massachusetts
$15M
State of Wisconsin Investment Board
113
State of Wisconsin Investment Board
Wisconsin
$14.6M
MGIA
114
Moneta Group Investment Advisors
Missouri
$14.6M
SG Americas Securities
115
SG Americas Securities
New York
$14.4M
State of Tennessee, Department of Treasury
116
State of Tennessee, Department of Treasury
Tennessee
$13.9M
Chevy Chase Trust
117
Chevy Chase Trust
Maryland
$13.7M
Allianz Asset Management
118
Allianz Asset Management
Germany
$13.4M
Aberdeen Group
119
Aberdeen Group
United Kingdom
$13.4M
Treasurer of the State of North Carolina
120
Treasurer of the State of North Carolina
North Carolina
$13.4M
Cetera Investment Advisers
121
Cetera Investment Advisers
Illinois
$13.3M
TD Asset Management
122
TD Asset Management
Ontario, Canada
$12.9M
National Bank of Canada
123
National Bank of Canada
Quebec, Canada
$12.8M
Creative Planning
124
Creative Planning
Kansas
$12.4M
BA
125
Bridgewater Associates
Connecticut
$12.4M